• There was that short section director who would stand by you whenever we had to line up, whether it was morning drill, meal time or evening roll call.

    一个小个子科长,无论早操吃饭、晚点名,只要排队身旁

    youdao

  • Through this high pressure line, mud is pumped in to the standpipe and drill pipe.

    通过这根高压管线泥浆泵入管和钻忏杆。

    youdao

  • While we were slipping drilling line, they were measuring drill pipes.

    我们大绳的时候,他们在仗钻具。

    youdao

  • While we were slipping drilling line, they were measuring drill pipes.

    我们大绳的时候,他们在仗钻具。

    youdao

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